TY  - GEN
AU  - Blake,J
TI  - Number of siblings and educational attainment
SN  - 0036-8075
PY  - 1989///0802
KW  - Birth Order
KW  - Child
KW  - Education
KW  - Family
KW  - Humans
KW  - Intelligence
KW  - Sibling Relations
KW  - Socioeconomic Factors
KW  - United States
N1  - Publication Type: Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S
UR  - https://doi.org/10.1126/science.2740913
ER  -